diff -ru orig/heist.cabal new/heist.cabal
--- orig/heist.cabal	2014-03-13 06:02:39.554055215 +0200
+++ new/heist.cabal	2014-03-13 06:02:39.000000000 +0200
@@ -153,7 +153,7 @@
     filepath                   >= 1.3     && < 1.4,
     hashable                   >= 1.1     && < 1.3,
     mtl                        >= 2.0     && < 2.2,
-    process                    >= 1.1     && < 1.2,
+    process                    >= 1.1     && < 1.3,
     random                     >= 1.0.1.0 && < 1.1,
     text                       >= 0.10    && < 1.2,
     time                       >= 1.1     && < 1.5,